/* CSS */
.nav {
    position: relative;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1em;
    background-color: #333;
    color: #fff;
  }
  
  .nav-toggle-label {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 24px;
    cursor: pointer;
  }
  
  .nav-toggle-label span {
    width: 24px;
    height: 3px;
    background-color: #fff;
    margin-bottom: 5px;
    transition: all 0.3s;
  }
  
  .nav-toggle-label span:last-child {
    margin-bottom: 0;
  }
  
  #nav-toggle {
    display: none;
  }
  
  #nav-toggle:checked + .nav-toggle-label span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  #nav-toggle:checked + .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }
  
  #nav-toggle:checked + .nav-toggle-label span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #333;
    padding: 1em;
    display: none;
  }
  
  #nav-toggle:checked ~ .nav-menu {
    display: block;
  }
  
  .nav-menu li {
    margin-bottom: 1em;
  }
  
  .nav-menu a {
    color: #fff;
    text-decoration: none;
  }
  
  @media only screen and (min-width: 768px) {
    .nav-toggle-label {
      display: none;
    }
    .nav-menu {
      position: static;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0;
      background-color: transparent;
    }
    .nav-menu li {
      margin-bottom: 0;
      margin-right: 20px;
    }
    .nav-menu a {
      color: #333;
    }
  }